CN212182948U - 10/0.4kV pole transformer substation low-voltage distribution box for oil and gas field station yard - Google Patents

10/0.4kV pole transformer substation low-voltage distribution box for oil and gas field station yard Download PDF

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Publication number
CN212182948U
CN212182948U CN202020764490.3U CN202020764490U CN212182948U CN 212182948 U CN212182948 U CN 212182948U CN 202020764490 U CN202020764490 U CN 202020764490U CN 212182948 U CN212182948 U CN 212182948U
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China
Prior art keywords
distribution box
gas field
field station
oil
switch
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CN202020764490.3U
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Inventor
邵刚涛
谭滨
郝颖珺
郑晓利
蒋亚锋
孙赟
吕阳伟
蔡培升
张彩婷
杨剑
鲁云云
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China National Petroleum Corp
Xian Changqing Technology Engineering Co Ltd
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China National Petroleum Corp
Xian Changqing Technology Engineering Co Ltd
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Priority to CN202020764490.3U priority Critical patent/CN212182948U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation

Abstract

The utility model provides a low-voltage distribution box of a 10/0.4kV pole-mounted transformer substation for an oil-gas field station, which at least comprises a distribution box body, an isolating switch, a bus bar, a post insulator, a lightning arrester, a current transformer, a circuit breaker, a fuse, a contactor, a power capacitor, an intelligent electric energy meter, a voltmeter, an indicator light, a voltage change-over switch, a capacitor switching switch and a current-voltage wiring terminal; the front side and the back side in the distribution box body are separated by an insulating partition plate; isolator, female arranging, fuse and circuit breaker establish in proper order on the positive support in the block terminal box from the top down. The utility model discloses simple structure, standardized installation, design realize standardizing, realize oil gas field station distribution and reactive compensation function on the spot simultaneously, unified oil gas field station 10/0.4kV post on the transformer substation low voltage distribution box's standard installation way, further improved oil gas field station post on the transformer substation low voltage distribution box's adaptability.

Description

10/0.4kV pole transformer substation low-voltage distribution box for oil and gas field station yard
Technical Field
The utility model belongs to oil gas field ground engineering construction field, concretely relates to be used for oil gas field station 10/0.4kV post to change substation low voltage distribution box.
Background
Due to the load characteristics of part of oil and gas field stations, not only a 10/0.4kV on-column transformer station is required to supply power to the station, but also the on-column transformer station is required to perform reactive compensation on site, the current scheme of the distribution box of the national standard atlas of outdoor transformer installation (04D 201-3) only has a scheme of a distribution loop, and a standard installation method for integrating the distribution loop and the on-site reactive compensation into one distribution box does not exist, so that the problems of diversified design, non-uniform field construction and disordered method exist.
SUMMERY OF THE UTILITY MODEL
In order to overcome the current nothing will join in marriage out the return circuit and lead to the site operation non-unity with the reactive compensation integration in one side block terminal in situ, the comparatively chaotic problem of way, the utility model aims at providing a be used for oil gas field station 10/0.4kV post on transformer substation low voltage distribution box, the utility model discloses with distribution function and reactive compensation function set in an organic whole, simple structure, standardized installation, design realization are standardized, realize oil gas field station distribution and reactive compensation function on the spot simultaneously, unified the standard installation way of oil gas field station 10/0.4kV post on transformer substation low voltage distribution box, further improved the adaptability of oil gas field station post on transformer substation low voltage distribution box.
The utility model adopts the technical proposal that:
a low-voltage distribution box for a 10/0.4kV pole-mounted transformer substation in an oil-gas field station at least comprises a distribution box body, an isolating switch, a busbar, a post insulator, a lightning arrester, a current transformer, a circuit breaker, a fuse, a contactor, a power capacitor, an intelligent electric energy meter, a voltmeter, an indicator lamp, a voltage change-over switch, a capacitor switching switch and a current-voltage wiring terminal; the front side and the back side in the distribution box body are separated by an insulating partition plate; the isolating switch, the busbar, the fuse and the circuit breaker are sequentially arranged on the front bracket in the distribution box body from top to bottom; the bus bar is provided with a bus bar, the bus bar is connected with the lower side of the isolating switch through the bus bar, and the lightning arrester is installed on the bus bar; the current transformer, the post insulator, the intelligent electric energy meter, the contactor and the power capacitor are sequentially arranged on a back support in the distribution box body from top to bottom; the post insulator is connected with a bus bar, and an incoming bus on the bus bar passes through the current transformer; the upper side of the contactor is connected with the lower side of the fuse, the lower side of the contactor is connected with a power capacitor, and the power capacitor is positioned at the bottom in the distribution box body; the two sides of the intelligent electric energy meter are respectively connected with a current-voltage wiring terminal and a voltmeter; the voltage change-over switch is arranged on one side of the contactor, the capacitor switching switch is arranged above the voltage change-over switch, and the indicator lamp is arranged above the capacitor switching switch; the indicating lamp, the voltage change-over switch and the capacitor fling-cut switch are all arranged on a back support in the distribution box body.
The upper side of the isolating switch is connected with an incoming cable.
The circuit breaker upside be connected with the generating line, the circuit breaker downside passes through the cable to be connected with oil gas field station consumer as the joining in marriage return circuit of block terminal.
The voltmeter is a pointer type voltmeter.
The circuit breaker is a molded case circuit breaker.
The size of the distribution box body is 650mm in length, 500mm in width and 1200mm in height.
The utility model has the advantages that:
the utility model provides a block terminal has increased the reactive compensation function, has solved the standard installation way that does not have the national standard atlas at present, and the design is diversified to and the chaotic scheduling problem of site operation. The utility model discloses simple structure, standardized installation, design realize standardizing, realize oil gas field station distribution and reactive compensation function on the spot simultaneously, unified oil gas field station 10/0.4kV post on the transformer substation low voltage distribution box's standard installation way, further improved oil gas field station post on the transformer substation low voltage distribution box's adaptability.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of the inside of a box body of a low-voltage distribution box of a transformer substation on a 10/0.4kV post of an oil and gas field station.
FIG. 2 is a rear view of the inside of a box body of a low-voltage distribution box of a transformer substation on a 10/0.4kV post in an oil and gas field station.
FIG. 3 is a front view of a low-voltage distribution box of a 10/0.4kV on-column substation in an oil and gas field station.
FIG. 4 is a rear view of a low-voltage distribution box of a transformer substation on a 10/0.4kV post of an oil and gas field station.
The reference signs are: 1. a protection disconnecting switch; 2. a busbar; 3. a post insulator; 4. a current transformer; 5. a molded case circuit breaker; 6. a fuse; 7. a contactor; 8. a lightning arrester; 9. an intelligent electric energy meter; 10. a power capacitor; 11. a pointer voltmeter; 12. an indicator light; 13. a voltage transfer switch; 14. a capacitor fling-cut switch; 15. a current voltage wiring terminal; 16. an insulating spacer; 17. distribution box body.
Detailed Description
Example 1:
in order to overcome the current nothing will join in marriage out the return circuit and lead to the site operation non-unity in a block terminal integration in situ, the comparatively chaotic problem of way, the utility model provides a as shown in figure 1, figure 2, figure 3 and figure 4 one kind be used for oil gas field station 10/0.4kV post on transformer substation low voltage distribution box, the utility model discloses with distribution function and reactive compensation function set in an organic whole, simple structure, standardized installation, design realization standardization, realize oil gas field station distribution and reactive compensation function in situ simultaneously, unified oil gas field station 10/0.4kV post on transformer substation low voltage distribution box's standard installation way, further improved the adaptability of transformer substation low voltage distribution box on oil gas field station post.
A low-voltage distribution box for a 10/0.4kV pole-mounted transformer substation in an oil-gas field station at least comprises a distribution box body 17, an isolating switch 1, a busbar 2, a post insulator 3, a lightning arrester 8, a current transformer 4, a circuit breaker 5, a fuse 6, a contactor 7, a power capacitor 10, an intelligent electric energy meter 9, a voltmeter 11, an indicator lamp 12, a voltage change-over switch 13, a capacitor switching switch 14 and a current-voltage wiring terminal 15; the front surface and the back surface in the distribution box body 17 are separated by an insulating partition plate; the isolating switch 1, the busbar 2, the fuse 6 and the breaker 5 are sequentially arranged on a front bracket in the distribution box body 17 from top to bottom; a bus is arranged on the bus bar 2, the bus bar 2 is connected with the lower side of the isolating switch 1 through the bus, and the lightning arrester 8 is arranged on the bus; the current transformer 4, the post insulator 3, the intelligent electric energy meter 9, the contactor 7 and the power capacitor 10 are sequentially arranged on a back support in the distribution box body 17 from top to bottom; the post insulator 3 is connected with the busbar 2, and an incoming bus on the busbar 2 passes through the current transformer 4; the upper side of the contactor 7 is connected with the lower side of the fuse 6, the lower side of the contactor 7 is connected with the power capacitor 10, and the power capacitor 10 is positioned at the bottom in the distribution box body 17; the two sides of the intelligent electric energy meter 9 are respectively connected with a current-voltage wiring terminal 15 and a voltmeter 11; the voltage change-over switch 13 is arranged on one side of the contactor 7, the capacitor switching switch 14 is arranged above the voltage change-over switch 13, and the indicator light 12 is arranged above the capacitor switching switch 14; the indicator light 12, the voltage change-over switch 13 and the capacitor fling-cut switch 14 are all arranged on a back support in the distribution box body 17.
All above equipment pass through electrical connection, integrate in low voltage distribution box in, as oil gas field station 10/0.4kV post on the transformer substation low voltage distribution box, realize multiloop when joining oil gas field station load of joining in marriage and realize grouping reactive compensation on the spot, improve power factor.
The utility model discloses in isolator 1 as the total inlet wire of block terminal, female generating line as the block terminal of arranging 2, the fixed stay of arranging 2 is arranged as to post insulator 3, arrester 8 is as the overvoltage protection equipment of block terminal, current transformer 4 is as the current acquisition equipment of electric energy measurement, circuit breaker 5 is as the direct-furnish of block terminal and is joined in marriage out the return circuit, fuse 6, contactor 7, power capacitor 10 is as the reactive compensation return circuit on spot of block terminal, intelligent electric energy meter 9 is as the meter of block terminal, pointer voltmeter 11, the reactive compensation return circuit running state of pilot lamp 12 as the block terminal shows, voltage transfer switch 13 and capacitor switch 14 are as block terminal capacitor switching equipment, insulating barrier 16 is with the positive back insulation isolation in the block terminal, ensure electrical safety distance.
The utility model provides a low voltage distribution box's installation method does: all the components are integrated in the distribution box according to the illustration in fig. 1 and 2, and the size of the distribution box is 650mm in length, 500mm in width and 1200mm in height. The distribution box is arranged on a cross beam of a distribution box rack of a 10/0.4kV pole-mounted transformer substation and forms a 10/0.4kV pole-mounted transformer substation together with a 10/0.4kV pole-mounted transformer.
The utility model provides a block terminal will allocate return circuit and reactive compensation return circuit integration in an organic whole, and shell switch control is allocated out the return circuit switch in through block terminal box 17, through the switching of each group's condenser of the interior capacitor on-off switch 14 control of box. The switching group number of the capacitor bank can be determined according to the actual load conditions of various oil and gas field stations so as to ensure that the power factor reaches more than 0.9.
The utility model provides a low-voltage distribution box reforms transform on the basis of current national standard atlas, has increased the reactive compensation function, has solved the standard installation way that does not have the national standard atlas at present, and the design is diversified to and the chaotic scheduling problem of site operation. The low-voltage distribution box of the transformer substation on the 10/0.4kV column of the oil and gas field station is simple in structure, standardized installation and design are achieved, meanwhile, the power distribution and on-site reactive compensation functions of the oil and gas field station are achieved, the standard installation method of the low-voltage distribution box of the transformer substation on the 10/0.4kV column of the oil and gas field station is unified, and the adaptability of the low-voltage distribution box of the transformer substation on the column of the oil and gas field station is further improved.
Example 2:
based on embodiment 1, in this embodiment, preferably, the upper side of the isolating switch 1 is connected to an incoming cable.
Preferably, the upper side of the circuit breaker 5 is connected with a bus, and the lower side of the circuit breaker 5 is connected with electric equipment of an oil-gas field station through a cable as a distribution loop of the distribution box.
Preferably, the voltmeter 11 is a pointer type voltmeter.
Preferably, the circuit breaker 5 is a molded case circuit breaker.
Preferably, the intelligent electric energy meter 9 is a metering device, and the intelligent electric energy meter 9 collects current and voltage data sources through a current and voltage wiring terminal.
Preferably, the dimensions of the distribution box body 17 are 650mm in length, 500mm in width and 1200mm in height.
As shown in fig. 1 and 2, the isolating switch 1 is a main incoming switch of the distribution box and is installed on a front support in a box body 17 of the distribution box, an incoming cable is connected to the upper side of the isolating switch 1, and a bus in the box body 17 of the distribution box is connected to the lower side of the isolating switch 1. The busbar 2 is arranged on a front support in the distribution box body 17 as a busbar in the distribution box, and plays a role in conveying current and connecting electrical equipment in a circuit. The post insulator 3 is installed on a back support in the distribution box body 17 as a support of the incoming cable and the busbar 2, and plays roles of fixing, supporting and insulating. The lightning arrester 8 is installed on the front side bus in the distribution box body 17 as the overvoltage protection equipment of the distribution box, and plays a role in overvoltage protection in a circuit. The current transformer 4 is used as a current collecting primary device, and the incoming bus is connected with the current transformer 4 in series and is arranged on a back support in the distribution box body 17. Circuit breaker 5 installs on the positive support in block terminal box 17 as the join in marriage out the return circuit of block terminal, 5 upsides of circuit breaker connect the interior generating line of block terminal box 17, and the return circuit of joining in marriage that 5 downside of circuit breaker as the block terminal passes through the cable and is connected with oil gas field station consumer. Fuse 6 installs on the positive support in block terminal box 17 as the capacitance compensation return circuit protection equipment of block terminal, and 6 upsides of fuse connect the generating line, and 6 upsides of fuse connect capacitance compensation return circuit contactor 7 upsides. Contactor 7 installs on the back support in block terminal box 17 as the capacitance compensation return circuit controlgear of block terminal, and 6 downside of block terminal box 17 front fuse are connected to contactor 7 upside, and block terminal box 17 back capacitor bank is connected to contactor 7 downside, power capacitor 10 promptly. The power capacitor 10 is installed at the bottom of the inner back of the distribution box body 17 as compensation equipment of a capacitance compensation loop of the distribution box, and the upper side of the power capacitor 10 is connected with the lower side of the back contactor 7 of the distribution box body 17. The intelligent electric energy meter 9 is installed at the back in the block terminal box 17 as the metering equipment of block terminal, and intelligent electric energy meter 9 passes through current voltage binding post 15, and the electric current volume is gathered from current transformer secondary side, and the voltage volume is gathered from three-phase four-wire bus. Pointer-type voltmeter 11 is installed at block terminal box 17 back as the voltage indication of block terminal and the electrified display device of condenser bank. The voltage change-over switch 13 is used as a capacitor compensation loop main switch device of the distribution box and is arranged on the inner back surface of the distribution box body 17 to control the switching of the whole capacitor bank. The capacitor switching switch 14 is used as a switching switch of each group of capacitors in a capacitance compensation loop of the distribution box and is arranged on the inner back surface of a box body 17 of the distribution box to control the switching of a single capacitor. The indicator light 12 is mounted on a rear bracket inside the box body 17 of the distribution box as an indication of the operation of each group of capacitors of the capacitance compensation circuit of the distribution box. The insulating partition plate 16 is installed between the front surface and the back surface in the distribution box body 17 as an electrical insulating isolation device on the front surface and the back surface of the distribution box body 17, so that an electrical safety distance is ensured.
The post on transformer substation low voltage distribution box mainly be applicable to connect all kinds of oil gas field station such as change station, supercharging point, dehydration point, well site, its simple structure, standardized installation, the design is realized standardizedly, realize oil gas field station distribution and reactive compensation function on the spot simultaneously, unified oil gas field station 10/0.4kV post on transformer substation low voltage distribution box's standard installation way, the disconnecting link is kept apart to the inlet wire, join in marriage out moulded case circuit breaker, and the condenser size can select the adjustment according to oil gas field station actual scale, the adaptability of transformer substation low voltage distribution box on oil gas field station post has further been improved.
The above illustration is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept thereof within the technical scope of the present invention. The devices and their components not described in detail in the present invention are prior art and no further explanation will be given in the present invention.

Claims (6)

1. The utility model provides a be used for oil gas field station 10/0.4kV post to transformer substation low voltage distribution box which characterized in that: the intelligent power distribution box at least comprises a distribution box body (17), an isolating switch (1), a busbar (2), a post insulator (3), a lightning arrester (8), a current transformer (4), a circuit breaker (5), a fuse (6), a contactor (7), a power capacitor (10), an intelligent electric energy meter (9), a voltmeter (11), an indicator lamp (12), a voltage change-over switch (13), a capacitor fling-cut switch (14) and a current-voltage wiring terminal (15); the front surface and the back surface in the distribution box body (17) are separated by an insulating partition plate; the isolating switch (1), the busbar (2), the fuse (6) and the breaker (5) are sequentially arranged on a front support in the distribution box body (17) from top to bottom; a bus is arranged on the bus bar (2), the bus bar (2) is connected with the lower side of the isolating switch (1) through the bus, and the lightning arrester (8) is arranged on the bus; the current transformer (4), the post insulator (3), the intelligent electric energy meter (9), the contactor (7) and the power capacitor (10) are sequentially arranged on a back support in the distribution box body (17) from top to bottom; the post insulator (3) is connected with the busbar (2), and an incoming bus on the busbar (2) passes through the current transformer (4); the upper side of the contactor (7) is connected with the lower side of the fuse (6), the lower side of the contactor (7) is connected with the power capacitor (10), and the power capacitor (10) is positioned at the bottom in the distribution box body (17); two sides of the intelligent electric energy meter (9) are respectively connected with a current-voltage wiring terminal (15) and a voltmeter (11); the voltage conversion switch (13) is arranged on one side of the contactor (7), the capacitor switching switch (14) is arranged above the voltage conversion switch (13), and the indicator lamp (12) is arranged above the capacitor switching switch (14); the indicating lamp (12), the voltage change-over switch (13) and the capacitor switching switch (14) are all arranged on a back support in the distribution box body (17).
2. The low-voltage distribution box for the 10/0.4kV pole-mounted substation in the oil and gas field station yard according to claim 1, characterized in that: the upper side of the isolating switch (1) is connected with an incoming cable.
3. The low-voltage distribution box for the 10/0.4kV pole-mounted substation in the oil and gas field station yard according to claim 1, characterized in that: breaker (5) upside be connected with the generating line, breaker (5) downside passes through the cable to be connected with oil gas field station consumer as the joining in marriage out return circuit of block terminal.
4. The low-voltage distribution box for the 10/0.4kV pole-mounted substation in the oil and gas field station yard according to claim 1, characterized in that: the voltmeter (11) is a pointer type voltmeter.
5. The low-voltage distribution box for the 10/0.4kV pole-mounted substation in the oil and gas field station yard according to claim 1, characterized in that: the circuit breaker (5) is a molded case circuit breaker.
6. The low-voltage distribution box for the 10/0.4kV pole-mounted substation in the oil and gas field station yard according to claim 1, characterized in that: the size of the distribution box body (17) is 650mm in length, 500mm in width and 1200mm in height.
CN202020764490.3U 2020-05-11 2020-05-11 10/0.4kV pole transformer substation low-voltage distribution box for oil and gas field station yard Active CN212182948U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111653971A (en) * 2020-05-11 2020-09-11 西安长庆科技工程有限责任公司 Low-voltage distribution box applicable to 10/0.4kV on-column transformer substation in oil-gas field station yard

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111653971A (en) * 2020-05-11 2020-09-11 西安长庆科技工程有限责任公司 Low-voltage distribution box applicable to 10/0.4kV on-column transformer substation in oil-gas field station yard

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